摘要：
int is 16 bits (the same as short) for older IBM PC implementations and 32 bits (the same as long) for Windows XP,Windows Vista,Windows 7, Macintosh OS X,VAX, 阅读全文
摘要：
The more complex the program, the more valuable comments are. Not only do they help others to understand what you have done, but also they help you understand what you’ve done, especially if you haven’t looked at the program for a while. 阅读全文